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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992676582

1008Image EncodingUSTU PhysTech Cup 20004261365

1016Cube on the WalkUSU Local Contest. 19991889819

1022Genealogical TreeAutumn School Contest 200010979141

1033LabyrinthUral Championship 19996562236

1035Cross-stitchUral Championship 199911211367

1040Airline CompanyUSU Championship 200015231001

1045Funny GameUSU Local Contest. March 20002906520

1056Centers of the NetNEERC 2000 Central Subregional2742550

1065FrontierNEERC 200010081407

1069Prufer CodeUSU Personal Contest 20012688516

1072RoutingUSU Personal Contest 20012765502

1076Trash1940710

1077Travelling Tours1256396

1080Map ColoringWinter Mathematical Festival Varna 20017239190

1085MeetingSpring School Contest 20012177624

1096Get the Right Route Plate!USU Local Contest. March 20011822708

1099Work Scheduling10101150

1106Two TeamsTetrahedron Team Online Contest May 2001675274

1109ConferenceBulgarian Online Contest September 20011996250

1119MetroAutumn School Contest 2001717270

1124MosaicUSU Championship 20011672298

1128Partition into GroupsUSU Championship 20011208412

1129Door PaintingUSU Championship 20011223407

1136ParliamentNEERC 2001 Central Subregional5020100

1137Bus RoutesNEERC 2001 Central Subregional1547322

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011402356

1156Two RoundsUral Championship 2001. Round 21520328

1160NetworkNEERC 2001 Northern Subregional3467146

1162Currency ExchangeNEERC 2001 Northern Subregional2539197

1176HyperchannelsUSU Personal Contest 20021496334

1182Team Them Up!NEERC 2001971514

1198Jobbery1062488

1199Mouse1313399

1205By the Underground or by Foot?USU Local Contest. March 20022115237

1208Legendary Teams ContestUSU Local Contest. March 20022353213

1210Kind SpiritsAutumn School Contest 20023103163

1218Episode N-th: The Jedi TournamentUSU Championship 20021558324

1227Rally ChampionshipNEERC 2002 Central Subregional1674302

1237Evacuation PlanNEERC 2002507985

1242WerewolfUSU Personal Contest 20032879177

1250Sea BurialUSU Local Contest. March 2003690729

1254Die HardUSU Local Contest. March 2003783644

1270UnicubeUSU Championship 20032052391

1271Sailing DirectionsUSU Championship 20031014632

1272Non-Yekaterinburg SubwayUSU Championship 20033486147

1277Cops and ThievesNEERC 2003 Central Subregional642789

1280Topological SortingNEERC 2003 Central Subregional3628141

1281River BasinNEERC 2003 Central Subregional3631379

1291Gear-wheelsSpring School Contest 20041332385

1301Cube in LabyrinthUral Championship 1998687741

1314Chase in SubwayUral Championship 2004. Round 1869588

1315MDPAR and MIIARUral Championship 2004. Round 12681859

1320Graph DecompositionUral Championship 2004. Round 21791287

1323ClassmatesUral Championship 2004. Round 2616826

1325DirtUral Championship 2004. Round 2952537

1329Galactic HistoryAutumn School Contest 20041120460

1337BureaucracyAutumn School Contest 20043251551

1338AutomobilesUSU Championship 20042801797

1339BabiesUSU Championship 2004595861

1358CablesSpring School Contest 2005952542

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22561962

1367Top SecretUral Championship 2005. Round 21643000

1379Cups TransportationUral Championship 2005. Round 1847611

1392Dreaming of Stars673766

1399Economical Director3710196

1400Cellular CharactersAutumn School Contest 2005941550

1416ConfidentialUSU Championship 20051311395

1419Maps of the Island WorldsUSU Championship 20054181219

1421Credit OperationsTimus Top Coders: First Challenge929544

1434Buses in VasyukiUSU Personal Contest 2006560894

1441From the History of Gringotts BankUral Championship 20064331144

1447Portkey NetworkUral Championship 2006501992

1449Credit Operations 2Timus Top Coders: Second Challenge3281491

1450Russian PipelinesTimus Top Coders: Second Challenge3283153

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest994484

1487Chinese FootballUSU Championship 20063731273

1500Pass LicensesNEERC 2006 Eastern Subregional750639

1505Oil TransferNEERC 2006 Eastern Subregional1572907

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3961169

1533Fat HobbitsUSU Personal Contest 2007468991

1544Classmates 3Ural Championship 20073641254

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2451784

1569Networking the “Iset”USU Championship 2007483920

1575Yekaterinburg Subway 2Autumn School Contest 2007516861

1580Dean's DebtsAutumn School Contest 2007496895

1610CactusesUral Championship 20082062027

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1253153

1630TalismanUSU Championship 20084051014

1641DutiesAutumn School Contest 2008824503

1643Attack of the Dark FortressAutumn School Contest 2008977425

1651Shortest SubchainNEERC 2008 Eastern Subregional1209344

1652Banking CrisisNEERC 2008 Eastern Subregional1442722

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest2001976

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2281736

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1203138

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3681079

1709Penguin-AviaUral Championship 20092639153

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional665579

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1227309

1770The Party of Ural ChampionsUral Championship 20102061740

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1891189

1833Hopes of RowingUral Championship 20111612025

1837Isenbaev's NumberUral Championship 2011582659

1847ZamkadyePetrozavodsk Summer 2010. USU Contest674359

1882Old NokiaUral Regional School Programming Contest 20111122730

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional717457

1905Travel in TimeUral Championship 20122631125

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2311272

1930Ivan's CarUral Regional School Programming Contest 20121838166

1934Black SpotUral FU Championship 2012854353

1966Cycling RoadsUral FU Personal Contest 2013415681

1980Road to InvestorUral Championship 2013439638

1982Electrification PlanUral FU Championship 20132128131

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional262945

2017Best of a bad lotNEERC 2014 Eastern Subregional1801352

2030Awesome Backup SystemUral Regional School Programming Contest 2014497505

2034CaravansUral Regional School Programming Contest 2014892284

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest942448

2055Urban GeographyUral Championship 20151511512

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141491357

2113Survive the floodUniversity academic school olympiad in informatics 2019360417

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team Contest303810

2128Rubina's SolitaireLater is better than never1371006

2132Graph Decomposition. Version 2Later is better than never891494

2140BitMazeCraftUral School Programming Contest 20191141154

2147City BuildingUral School Programming Contest 2019661882

2155QuadrocopterUral School Programming Contest 20201041024

2159EssayUral School Programming Contest 2021371433

2169City Building 2Ural School Programming Contest 2022232038

2174Dualism of NumbersUral School Programming Contest 202335870

2180Need More TasksUral School Programming Contest 2023121778

2187Need More GoldUral School Programming Contest 2024131700

2192My GrandfatherICPC Ural Regional Contest Qualifier 2022181399

2195Binary TreesICPC Ural Regional Contest Qualifier 2023101958

2198Deep UnderstandingICPC Ural Regional Contest Qualifier 2024181395